This study, jointly commissioned by the U.S. Department of Transportation and the U.S. Department of Housing and Urban Development presents an assessment of beltways land use and urban development impacts and describes the urban and transportation policy implications. Prior research and the findings of a comparative statistical analysis and detailed case studies were examined to determine (1) what effects beltways have had, (2) why beltway-induced changes have occurred, (3) who was affected by such changes, and (4) how federal and local government agencies can work with business and community groups to capitalize upon the potential benefits offered by beltways and to minimize or eliminate their anticipated adverse effects. Of particular concern to the federal government is the possibility that beltways may undermine central city revitalization efforts and attempts to achieve compact, energy-conserving and environmentally sound land use patterns. The findings and conclusions of this study should be of interest to and usable by a broad spectrum of individuals and groups, including federal decision makers, local land use and transportation planners, members of business, community and civic organizations, academics, and environmentalists. The study produced four publications on the land use and urban development impacts of beltways.